#!/usr/bin/env python
# _*_ coding: utf-8 _*_
# @Time : 2021/1/6 14:33
# @Author : 詹荣瑞
# @File : variable.py
# @desc : 本代码未经授权禁止商用
class Variable(object):

    def __init__(self):
        pass

    def latex3(self):
        pass



class Global(object):

    def __init__(self):

